X-Plane

Ashley's Aviation Page - http://web.ukonline.co.uk/ashley.middleton/flying/aviation.htm
Includes game information and news.

flyTropic - http://geocities.com/glovesave19/
Virtual airline for the game.

X-Plane Gateway - http://www.xplanegateway.com
Categorized links to sites that offer add-ons for X-Plane flight simulator.

X-Plane.com - http://www.x-plane.com/
Includes information, game demo and downloads.

X-Plane.org - http://www.x-plane.org/
Contains game information, downloads, and a forum.

X-Plane: reviews and resources - http://www.neoseeker.com/Games/Products/PC/XPlane/
Includes professional reviews, user reviews, previews, cheats, guides, and help.